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# An electron with a speed of 4.0x105 m/s enters a uniform magnetic field of magnitude 0.40...

1. An electron with a speed of 4.0x105 m/s enters a uniform magnetic field of magnitude 0.40 T at an angle of 35° with respect to magnetic field lines. The electron follows a helical path. Determine:

(a) the radius of the helical pitch.

(b) The distance you travel after completing a circle.

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